| Description |
Colourless, cubic crystals or a white crystalline powder
|
Solubility |
Freely soluble in water; soluble in glycerin; slightly soluble in alcohol
|
| Identification ‘B’ |
Chloride -The precipitate dissolves easily with the possible exception of a few large particles, which dissolves more slowly
|
Assay (on dried basis) |
99.0%-100.5%
|
| Arsenic |
NMT 1 ppm
|
Barium |
Any opalescence in the test solution is not more intense that in reference solution
|
| Ferrocyanide [(Fe(CN)6]4- |
No blue colour develops in 10 min
|
Iodide (I) |
No blue colour observed
|
| Phosphates |
NMT 25 ppm
|
Magnesium and alkali earth metals |
NMT 100 ppm
|
| NItrates |
Absorbance is NMT 0.01
|
Appearance of solution |
The solution is clear and colouless
|
| Acidity or alkalinity |
NMT 0.5 mL of 0.01 N hydrochloric acid or 0.01 N sodium hydroxide is required to change the color of this solution
|
Loss on drying |
NMT 0.5 %
|